ultrasound (Science: investigation) A type of imaging technique which uses high-frequency sound waves. This is highly operator-dependent and is thought to be useful in diagnosis but not particularly accurate in the assessment of tumour response. For the latter, CT or MR imaging are more accurate...
Learn how the way genes control and determine every aspect of the body. This lesson uses lac operon as an example. ..
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Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
Genes are expressed through the process of protein synthesis. This elaborate tutorial provides an in-depth review of the..
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
This tutorial elaborates on how the nervous system works, particularly at the tissue level of the brain. There are three..
A typical eukaryotic cell is comprised of cytoplasm with different organelles, such as nucleus, endoplasmic reticulum, G..
